Home / 1,212,410.13-1,818,688.09-370,969.17

Finding the Fourth Proportional to 1,212,410.13, 1,818,688.09 and 370,969.17

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Solution

The fourth proportional to 1,212,410.13, 1,818,688.09 and 370,969.17 is: 556,476.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,410.13 : 1,818,688.09 = 370,969.17 : x
  2. Step 2: Convert to fraction form
    1,212,410.13/1,818,688.09 = 370,969.17/x
  3. Step 3: Cross multiply
    1,212,410.13x = 1,818,688.09 × 370,969.17
  4. Step 4: Simplify right side
    1,212,410.13x = 674,677,211,236.19
  5. Step 5: Solve for x
    x = 674,677,211,236.19/1,212,410.13
  6. Step 6: Final answer
    x = 556,476.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.